/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import java.io.IOException;
import java.util.List;
import javabeans.EnumTipoEntradas.TipoEntrada;
import javabeans.JBCine;
import javabeans.JBTipoEntrada;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.UnavailableException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import persistencia.ISistema;

/**
 *
 * @author Administrador
 */
public class agregarReservaListarCinesServlet extends HttpServlet {

    ISistema i;

    @Override
    public void init() throws ServletException {
        super.init();
        /*Se adquieren los parametros configurados en el deployment describer a 
         * nivel del contexto*/
        try {
            ServletContext context = this.getServletContext();
            i = persistencia.Fabrica.getPersistenciaSistema(context);

        } catch (Exception exc) {
            throw new UnavailableException("No se puedo instanciar el servlet" + exc.toString());
        }
    }

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        try {

            limpiarSession(session);
            
            crearTiposEntrada(session);

            List<JBCine> cines = i.listarCines();

            session.setAttribute("cines", cines);

            response.sendRedirect("agregarReserva.jsp");
        } catch (Exception exc) {
            session.setAttribute("error", "Ha ocurrido un error " + exc.toString());
            request.getRequestDispatcher("agregarReserva.jsp").forward(request, response);
        }
    }

    private void crearTiposEntrada(HttpSession session) {
        JBTipoEntrada menor = new JBTipoEntrada();
        menor.setPrecio(100);
        menor.setTipoEntrada(TipoEntrada.menor.ordinal());
        menor.setCantidad(0);

        JBTipoEntrada normal = new JBTipoEntrada();
        normal.setPrecio(180);
        normal.setTipoEntrada(TipoEntrada.normal.ordinal());
        normal.setCantidad(0);

        JBTipoEntrada mayor = new JBTipoEntrada();
        mayor.setPrecio(150);
        mayor.setTipoEntrada(TipoEntrada.mayor.ordinal());
        mayor.setCantidad(0);

        session.setAttribute("menor", menor);
        session.setAttribute("normal", normal);
        session.setAttribute("mayor", mayor);
    }

    private void limpiarSession(HttpSession session) {
        if (session.getAttribute("menor") != null) {
            session.removeAttribute("menor");
        }

        if (session.getAttribute("normal") != null) {
            session.removeAttribute("normal");
        }

        if (session.getAttribute("mayor") != null) {
            session.removeAttribute("mayor");
        }

        if (session.getAttribute("cineSeleccionado") != null) {
            session.removeAttribute("cineSeleccionado");
        }
        if (session.getAttribute("peliculas") != null) {
            session.removeAttribute("peliculas");
        }
        if (session.getAttribute("peliculaSeleccionada") != null) {
            session.removeAttribute("peliculaSeleccionada");
        }
        if (session.getAttribute("funciones") != null) {
            session.removeAttribute("funciones");
        }
        if (session.getAttribute("funcionSeleccionada") != null) {
            session.removeAttribute("funcionSeleccionada");
        }
        if (session.getAttribute("cines") != null) {
            session.removeAttribute("cines");
        }
        if (session.getAttribute("peliculas") != null) {
            session.removeAttribute("peliculas");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
